From f8baf2a2242029600beb213d3f042e7c0482e502 Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Sat, 17 Mar 2018 03:17:36 +0100 Subject: hurd: add TLS support * sysdeps/generic/thread_state.h (MACHINE_NEW_THREAD_STATE_FLAVOR): Define macro. * sysdeps/mach/thread_state.h (MACHINE_THREAD_STATE_FIX_NEW): New macro. * sysdeps/mach/i386/thread_state.h (MACHINE_NEW_THREAD_STATE_FLAVOR): New macro, defined to i386_THREAD_STATE. (MACHINE_THREAD_STATE_FLAVOR): Define to i386_REGS_SEGS_STATE instead of i386_THREAD_STATE. (MACHINE_THREAD_STATE_FIX_NEW): New macro, reads segments. * sysdeps/mach/hurd/i386/trampoline.c (_hurd_setup_sighandler): Use i386_REGS_SEGS_STATE instead of i386_THREAD_STATE. * sysdeps/mach/hurd/i386/tls.h (TCB_ALIGNMENT, HURD_SEL_LDT): New macros. (_hurd_tls_fork): Add original thread parameter, Duplicate existing LDT descriptor instead of creating a new one. (_hurd_tls_new): New function, creates a new descriptor and updates tcb. * mach/setup-thread.c: Include . (__mach_setup_thread): Call _dl_allocate_tls, pass MACHINE_NEW_THREAD_STATE_FLAVOR to __thread_set_state instead of MACHINE_THREAD_STATE_FLAVOR, before getting MACHINE_THREAD_STATE_FLAVOR, calling _hurd_tls_new, and setting MACHINE_THREAD_STATE_FLAVOR with the result. * hurd/hurdfault.c (_hurdsig_fault_init): Call MACHINE_THREAD_STATE_FIX_NEW. * sysdeps/mach/hurd/fork.c (__fork): Call _hurd_tls_fork for sigthread too. Add original thread parameter. --- hurd/hurdfault.c | 1 + 1 file changed, 1 insertion(+) (limited to 'hurd') diff --git a/hurd/hurdfault.c b/hurd/hurdfault.c index b5a4056d49..39a4522811 100644 --- a/hurd/hurdfault.c +++ b/hurd/hurdfault.c @@ -204,6 +204,7 @@ _hurdsig_fault_init (void) /* This state will be restored when we fault. It runs the function above. */ memset (&state, 0, sizeof state); + MACHINE_THREAD_STATE_FIX_NEW (&state); MACHINE_THREAD_STATE_SET_PC (&state, faulted); MACHINE_THREAD_STATE_SET_SP (&state, faultstack, sizeof faultstack); -- cgit v1.2.3